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Be Quiet Negotiator

Be Quiet Negotiator is a client-side NeoForge mod that lets you connect to vanilla or non-NeoForge servers by silently skipping NeoForge handshake negotiation, preventing common handshake errors and enabling smoother connections.

46K загрузок14 подписчиковGPL-3.0-or-laterneoforge

Обновлён 31 мая 2026 г. · опубликован 14 апреля 2025 г.

Скачать 1.0.4(13 КБ)

Be Quiet Negotiator

Be Quiet Negotiator is a lightweight, client-side-only NeoForge mod that lets modded clients connect to vanilla or minimally modded servers (such as Fabric servers with only server-side mods) without triggering NeoForge’s strict network negotiation process.

How it works

Normally, NeoForge enforces a handshake protocol to ensure both client and server agree on modded payloads and capabilities. This mod quietly suppresses that negotiation when connecting to servers that don’t speak NeoForge, allowing the connection to go through cleanly without disconnects or errors — hence, it “negotiates” by staying silent.

In addition, other errors that may occur during the connection process, such as packet decoding errors or unexpected packet sizes, are also ignored, allowing the client to connect without issues.

Specifically, Be Quiet Negotiator uses Mixins to patch the NeoForge client code, specifically targeting any annoying methods which produce errors or disconnects when connecting to servers that do not support NeoForge.

Furthermore, all patches are configurable, allowing users to enable or disable specific patches as needed.

Use cases

This mod is ideal for:

  1. Players using NeoForge clients who want to join vanilla servers, preventing disconnects caused by missing network negotiation responses.
  2. Players connecting through hybrid or proxy networks, where the entrypoint is a vanilla or non-NeoForge server, avoiding failed handshakes when the client expects NeoForge.
  3. Modpack developers or testers using full-stack NeoForge mods client-side, who want to connect to unmodded or differently modded servers without having to disable mods each time.
  4. Players attempting to join servers without NeoForge, while still having mods installed that expect a modded server-side (e.g., worldgen, item, or GUI mods with networking).
  5. LAN or casual multiplayer setups, where only the client is running NeoForge with full-feature mods, and the server is unmodded or running a different mod loader.

Making a production-ready proxy network?

Do not use this mod! You will likely run into issues with mod compatibility, as Be Quiet Negotiator just suppresses errors and does not magically make incompatible mods work.

Instead of using a traditional proxy to route connections to backend servers, I recommend giving each NeoForge server its own public IP address / domain.

If you don't have enough IP addresses, you can use a reverse proxy like Gate Lite Mode or my own mc-router to route connections based on the Handshake packet's Server Address field.

To transfer players between servers, use the vanilla /transfer command introduced in Minecraft 1.20.5, or install the Server Redirect mod.

Included Patches (since v1.0.1)

  • bypassNegotiationErrors - Allows the client to connect to servers that do not support NeoForge by ignoring negotiation errors.
  • bypassCustomFeatureFlags - Ignores custom feature flags when connecting to a server, allowing the client to connect without issues.
  • ignorePacketDecodingErrors - Ignores packet decoding errors when connecting to a server, allowing the client to connect without issues.
  • ignorePacketHandlerErrors - Ignores client-side packet handling errors when connecting to a server, allowing the client to connect without issues.

Important notes

Connection Safety

Be Quiet Negotiator is safe by design: it only activates when the server is identified as non-NeoForge, leaving normal modded-to-modded connections completely untouched. Configuration is simple and toggleable, giving users fine control over when quiet negotiation is allowed.

Mod Compatibility

Some mods may depend on successful negotiation or expect server-side support for certain features. In these cases, functionality may break silently or result in confusing behaviour.

Use caution, and avoid placing or interacting with modded blocks, items, or GUIs on servers that aren’t running NeoForge. This mod enables connection compatibility, but it cannot make incompatible mods magically work.

We have a list of known incompatible mods in docs/incompatibility.md.

Центр версий

15 версий
Стабильная1.0.41.21.1 · 13 КББета2.0.0-rc1+1.21.11.21.1 · 16 КБ
  • Бета16 КБ
  • Бета14 КБ
  • Бета14 КБ
  • Бета14 КБ
  • Релиз13 КБ
  • Релиз13 КБ
  • Релиз15 КБ
  • Релиз15 КБ
  • Бета16 КБ
  • Бета16 КБ
  • Бета16 КБ
  • Бета17 КБ
  • Бета17 КБ
  • Бета17 КБ
  • Релиз12 КБ

Ченджлог

2.0.0-rc1+1.21.1Бета1.21.1 · 31 мая 2026 г.

The v2.0.0-rc1 release candidate marks a major milestone in the development of BeQuietNegotiator, introducing multi-version support and compatibility with newer Minecraft versions. This release focuses on expanding the range of supported Minecraft versions while ensuring stability and performance across all targets.

Highlights

  • Added multi-version support and explicit compatibility for newer Minecraft/NeoForge versions.
  • Added support for Minecraft 1.21.8 and 1.21.11 development targets.
  • Improved CI to publish built artifacts and uploads.

Added

  • Initial multiversion support to allow building/publishing multiple Minecraft-targeted artifacts. (180bb11)
  • Added support for 1.21.8. (5c28f0f)
  • Added 1.21.11 version entry. (e23ccc6)

Changed / Refactor

  • Refactored NetworkRegistryMixin and other mixins to adapt to multi-version NeoForge support. (9df1bcc)
  • Updated VCS and main version strings to match new targets and build metadata. (7bdfbdd, fa310a7, fb150e8, 0286291)

Fixed

  • Fixed compilation issues across targeted versions so all configured targets compile cleanly. (1350036)
  • Conditional removal of mixins to allow running under JDK 21 and avoid startup crashes. (a3f0e8f)
  • Corrected version ranges that could cause incorrect compatibility handling. (f4bc139)

CI / Chore

  • Updated CI/CD to publish versioned artifacts and added an artifact upload step. (4b421b0, dfc7075)
  • Misc. repo maintenance: updated author links and issue templates. (038748c, 9fee61a)

Notes for testers

  • This candidate stabilizes multi-version builds and adds support for newer mappings; please test on development servers for each target Minecraft version.
  • If you hit issues, include the full server log and the repository build logs when opening an issue.

Full Changelog: compare v1.0.4 with v2.0.0-rc1

2.0.0-rc1+1.21.8Бета1.21.8 · 31 мая 2026 г.

The v2.0.0-rc1 release candidate marks a major milestone in the development of BeQuietNegotiator, introducing multi-version support and compatibility with newer Minecraft versions. This release focuses on expanding the range of supported Minecraft versions while ensuring stability and performance across all targets.

Highlights

  • Added multi-version support and explicit compatibility for newer Minecraft/NeoForge versions.
  • Added support for Minecraft 1.21.8 and 1.21.11 development targets.
  • Improved CI to publish built artifacts and uploads.

Added

  • Initial multiversion support to allow building/publishing multiple Minecraft-targeted artifacts. (180bb11)
  • Added support for 1.21.8. (5c28f0f)
  • Added 1.21.11 version entry. (e23ccc6)

Changed / Refactor

  • Refactored NetworkRegistryMixin and other mixins to adapt to multi-version NeoForge support. (9df1bcc)
  • Updated VCS and main version strings to match new targets and build metadata. (7bdfbdd, fa310a7, fb150e8, 0286291)

Fixed

  • Fixed compilation issues across targeted versions so all configured targets compile cleanly. (1350036)
  • Conditional removal of mixins to allow running under JDK 21 and avoid startup crashes. (a3f0e8f)
  • Corrected version ranges that could cause incorrect compatibility handling. (f4bc139)

CI / Chore

  • Updated CI/CD to publish versioned artifacts and added an artifact upload step. (4b421b0, dfc7075)
  • Misc. repo maintenance: updated author links and issue templates. (038748c, 9fee61a)

Notes for testers

  • This candidate stabilizes multi-version builds and adds support for newer mappings; please test on development servers for each target Minecraft version.
  • If you hit issues, include the full server log and the repository build logs when opening an issue.

Full Changelog: compare v1.0.4 with v2.0.0-rc1

2.0.0-rc1+1.21.11Бета1.21.11 · 31 мая 2026 г.

The v2.0.0-rc1 release candidate marks a major milestone in the development of BeQuietNegotiator, introducing multi-version support and compatibility with newer Minecraft versions. This release focuses on expanding the range of supported Minecraft versions while ensuring stability and performance across all targets.

Highlights

  • Added multi-version support and explicit compatibility for newer Minecraft/NeoForge versions.
  • Added support for Minecraft 1.21.8 and 1.21.11 development targets.
  • Improved CI to publish built artifacts and uploads.

Added

  • Initial multiversion support to allow building/publishing multiple Minecraft-targeted artifacts. (180bb11)
  • Added support for 1.21.8. (5c28f0f)
  • Added 1.21.11 version entry. (e23ccc6)

Changed / Refactor

  • Refactored NetworkRegistryMixin and other mixins to adapt to multi-version NeoForge support. (9df1bcc)
  • Updated VCS and main version strings to match new targets and build metadata. (7bdfbdd, fa310a7, fb150e8, 0286291)

Fixed

  • Fixed compilation issues across targeted versions so all configured targets compile cleanly. (1350036)
  • Conditional removal of mixins to allow running under JDK 21 and avoid startup crashes. (a3f0e8f)
  • Corrected version ranges that could cause incorrect compatibility handling. (f4bc139)

CI / Chore

  • Updated CI/CD to publish versioned artifacts and added an artifact upload step. (4b421b0, dfc7075)
  • Misc. repo maintenance: updated author links and issue templates. (038748c, 9fee61a)

Notes for testers

  • This candidate stabilizes multi-version builds and adds support for newer mappings; please test on development servers for each target Minecraft version.
  • If you hit issues, include the full server log and the repository build logs when opening an issue.

Full Changelog: compare v1.0.4 with v2.0.0-rc1

2.0.0-rc1+1.21.2Бета1.21.2 · 31 мая 2026 г.

The v2.0.0-rc1 release candidate marks a major milestone in the development of BeQuietNegotiator, introducing multi-version support and compatibility with newer Minecraft versions. This release focuses on expanding the range of supported Minecraft versions while ensuring stability and performance across all targets.

Highlights

  • Added multi-version support and explicit compatibility for newer Minecraft/NeoForge versions.
  • Added support for Minecraft 1.21.8 and 1.21.11 development targets.
  • Improved CI to publish built artifacts and uploads.

Added

  • Initial multiversion support to allow building/publishing multiple Minecraft-targeted artifacts. (180bb11)
  • Added support for 1.21.8. (5c28f0f)
  • Added 1.21.11 version entry. (e23ccc6)

Changed / Refactor

  • Refactored NetworkRegistryMixin and other mixins to adapt to multi-version NeoForge support. (9df1bcc)
  • Updated VCS and main version strings to match new targets and build metadata. (7bdfbdd, fa310a7, fb150e8, 0286291)

Fixed

  • Fixed compilation issues across targeted versions so all configured targets compile cleanly. (1350036)
  • Conditional removal of mixins to allow running under JDK 21 and avoid startup crashes. (a3f0e8f)
  • Corrected version ranges that could cause incorrect compatibility handling. (f4bc139)

CI / Chore

  • Updated CI/CD to publish versioned artifacts and added an artifact upload step. (4b421b0, dfc7075)
  • Misc. repo maintenance: updated author links and issue templates. (038748c, 9fee61a)

Notes for testers

  • This candidate stabilizes multi-version builds and adds support for newer mappings; please test on development servers for each target Minecraft version.
  • If you hit issues, include the full server log and the repository build logs when opening an issue.

Full Changelog: compare v1.0.4 with v2.0.0-rc1

1.0.4Релиз1.21.1 · 3 января 2026 г.

This mod has been reported to crash the game when using 1.21.2+ due to internal changes in Minecraft, as reported in #6.

This release updates mod metadata to mark the mod as incompatible with Minecraft 1.21.2 and later versions to prevent automated installations on unsupported versions.

This is a temporary measure while a proper fix is developed. Future releases will aim to restore compatibility with Minecraft 1.21.2+.

Full Changelog: compare v1.0.3 with v1.0.4

1.0.3Релиз1.21.1 · 2 ноября 2025 г.

This is another small hotfix release that addresses an issue caused by some leftover code from an earlier version.

Bug Fixes and Changes:

  1. Remove the unused server side config as Be Quiet Negotiator is strictly client-side only (fixes: #4)
  2. The mods.toml file has been updated to reflect that Be Quiet Negotiator is a client-side only mod
1.0.2Релиз1.21.1 · 6 августа 2025 г.

This is a small hotfix release that addresses one issue with ignoring packet handling errors - the client just did not ignore them at all.

The problem was caused by the ClientCommonPacketListenerImplMixin not being registered in the mixins file - this has now been fixed.

1.0.1Релиз1.21.1 · 4 августа 2025 г.

This release adds new error-handling features, improves mod compatibility, and fixes several bugs introduced in previous versions and release candidates.

New Features:

  1. The client can now ignore custom feature flags when connecting to a vanilla server (fixes: #1) (introduced in v1.0.1-rc1)
  2. The client can now ignore packet decoding errors when connecting to a server (fixes: #1 (comment 3011626189)) (introduced in v1.0.1-rc2)
  3. Automated release pipelines for GitHub and Modrinth have been set up (introduced in v1.0.1-rc2)
  4. The client now ignores packets larger than expected (fixes: #1 (comment 3067088739)) (introduced in v1.0.1-rc6)
  5. Client side packet handling errors are now ignored when connecting to a vanilla server, allowing the client to connect without issues. (fixes: : #1 (comment 3067399173)) (introduced in v1.0.1-rc7)

Bug Fixes and Changes:

  1. Patches are now disabled when connecting to NeoForge servers to prevent compatibility issues (introduced in v1.0.1-rc2)
  2. Fixed all occurrences of the typo "Quite" (should have been "Quiet") across the codebase (introduced in v1.0.1-rc2)
  3. Fixed a crash caused by invalid access transformer syntax despite Architectury Loom successfully applying the access transformer (fixes: #2) (introduced in v1.0.1-rc3)
  4. Fixed an issue where isConnectedToVanillaServer was not set early enough, causing CheckFeatureFlags.handleVanillaServerConnection to behave incorrectly (fixes: #1 (comment 3065956489)) (introduced in v1.0.1-rc4)
  5. Improved the implementation for ignoring packet decoding errors to be more robust (properly fixes: #1 (comment 3011626189)) (introduced in v1.0.1-rc5)
  6. NetworkRegistryMixin now checks ClientConfig.bypassCustomFeatureFlags() before calling CheckFeatureFlags.handleVanillaServerConnection to ensure custom feature flags are ignored when connecting to servers that do not support them (fixes: #1 (comment 3066014192)) (introduced in v1.0.1-rc5)
  7. Renamed acceptVanillaServer to bypassNegotiationErrors to better reflect its purpose (introduced in v1.0.1-rc7)

Removed Features:

  1. Unsupported server-side patches have been removed from the Be Quiet Negotiator codebase (introduced in v1.0.1-rc7)

Full Changelog: compare v1.0.0 with v1.0.1

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